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Update hsm-service.ts

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This commit is contained in:
Daniel Hougaard
2024-11-11 21:47:07 +04:00
parent a1474145ae
commit 603fcd8ab5
1 changed files with 7 additions and 8 deletions
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backend/src/ee/services/hsm/hsm-service.ts
+7 -8
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@@ -23,6 +23,9 @@ export const hsmServiceFactory = ({ hsmModule: { isInitialized, pkcs11 } }: THsm
const BLOCK_SIZE = 16;
const HMAC_SIZE = 32;
const AES_KEY_SIZE = 256;
const HMAC_KEY_SIZE = 256;
const $withSession = async <T>(callbackWithSession: SessionCallback<T>): Promise<T> => {
const RETRY_INTERVAL = 300; // 300ms between attempts
const MAX_TIMEOUT = 30_000; // 30 seconds maximum total time
@@ -215,13 +218,9 @@ export const hsmServiceFactory = ({ hsmModule: { isInitialized, pkcs11 } }: THsm
// Calculate max buffer size (input length + potential full block of padding)
const maxEncryptedLength = Math.ceil(data.length / BLOCK_SIZE) * BLOCK_SIZE + BLOCK_SIZE;
const tempBuffer = Buffer.alloc(maxEncryptedLength);
// First call to get the actual length
const encryptedLength = pkcs11.C_Encrypt(sessionHandle, data, tempBuffer);
// Create a copy of the encrypted data using the actual length
const encryptedData = Buffer.from(tempBuffer.subarray(0, encryptedLength.length || 16));
// Encrypt the data - this returns the encrypted data directly
const encryptedData = pkcs11.C_Encrypt(sessionHandle, data, Buffer.alloc(maxEncryptedLength));
// Initialize HMAC
const hmacMechanism = {
@@ -396,7 +395,7 @@ export const hsmServiceFactory = ({ hsmModule: { isInitialized, pkcs11 } }: THsm
const keyTemplate = [
{ type: pkcs11js.CKA_CLASS, value: pkcs11js.CKO_SECRET_KEY },
{ type: pkcs11js.CKA_KEY_TYPE, value: pkcs11js.CKK_AES },
{ type: pkcs11js.CKA_VALUE_LEN, value: 256 / 8 },
{ type: pkcs11js.CKA_VALUE_LEN, value: AES_KEY_SIZE / 8 },
{ type: pkcs11js.CKA_LABEL, value: appCfg.HSM_KEY_LABEL! },
{ type: pkcs11js.CKA_ENCRYPT, value: true }, // Allow encryption
{ type: pkcs11js.CKA_DECRYPT, value: true }, // Allow decryption
@@ -420,7 +419,7 @@ export const hsmServiceFactory = ({ hsmModule: { isInitialized, pkcs11 } }: THsm
const hmacKeyTemplate = [
{ type: pkcs11js.CKA_CLASS, value: pkcs11js.CKO_SECRET_KEY },
{ type: pkcs11js.CKA_KEY_TYPE, value: pkcs11js.CKK_GENERIC_SECRET },
{ type: pkcs11js.CKA_VALUE_LEN, value: 256 / 8 }, // 256-bit key
{ type: pkcs11js.CKA_VALUE_LEN, value: HMAC_KEY_SIZE / 8 }, // 256-bit key
{ type: pkcs11js.CKA_LABEL, value: `${appCfg.HSM_KEY_LABEL!}_HMAC` },
{ type: pkcs11js.CKA_SIGN, value: true }, // Allow signing
{ type: pkcs11js.CKA_VERIFY, value: true }, // Allow verification